136525725767761 has 16 divisors (see below), whose sum is σ = 150499219831488. Its totient is φ = 122817943705600.

The previous prime is 136525725767759. The next prime is 136525725767777. The reversal of 136525725767761 is 167767527525631.

It is not a de Polignac number, because 136525725767761 - 2¹ = 136525725767759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136525725767461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133689256 + ... + 134706601.

It is an arithmetic number, because the mean of its divisors is an integer number (9406201239468).

Almost surely, 2^{136525725767761} is an apocalyptic number.

136525725767761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136525725767761 is a deficient number, since it is larger than the sum of its proper divisors (13973494063727).

136525725767761 is a wasteful number, since it uses less digits than its factorization.

136525725767761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268396352.

The product of its digits is 777924000, while the sum is 70.

The spelling of 136525725767761 in words is "one hundred thirty-six trillion, five hundred twenty-five billion, seven hundred twenty-five million, seven hundred sixty-seven thousand, seven hundred sixty-one".